Ketone bodies are used to produce glucose in the times of starvation and fasting. The video explains the disorders that are related to ketone body metabolism with clinical scenarios at the end for better understanding. TIMELINE: 0:26 Ketosis Vs ketoacidosis 2:28 Biochemical basis of ketosis in starvation and diabetes mellitus 4:32 Salient features of ketosis 6:09 Biochemical basis of Kussmaul’s breathing in metabolic acidosis 8:19 diagnosis and management of Diabetic ketoacidosis 9:25 Clinical scenario 1 11:35 Clinical scenario 2